Shock-absorber.



J. H. NEDER.

SHOCK ABSORBER.

APPLICATION FILED JUNE 10, 1913.

1 ,O86,929 Patented Feb. 10, 1914 WITNESSES 7 v mu 5mm? Q/ 0 /1 21 f/ Moe)" ATTORNEYS JOHN HENRY N EDER, OF BAKER, OREGON.

SHOCK-ABSORBER.

Specification of Letters Patent.

Patented Feb. 10, 1911-.

Application filed June 10, 1913. i Serial No. 772,770.

To all whomit may concern Be it known that I, JOHN H. NEDER, a citizenof the United States, and a resident of Baker city, in the county ofBaker and State of Oregon, have invented a new and ImprovedShock-Absorber, of which the following is a full, clear, and exactdescription.

An object of my invention is to provide a shock absorber to protect thearched springs of a vehicle from breakage due to the sudden rebound ofthe springs as the vehicle passes over an obstruction or rough ground.

A further object of the invention is to prbvidc a shock absorber in the.form of a helical spring readily attachable to the arched springs of thevehicle, and which shall be neat in appearance, noiseless and involve aminimum cost of manufacture.

The invention will be particularly explained in the specific descriptionfollowing.

Reference is to be had to the accompanying drawings, forming a partof'this specification, in which similar characters of reference indicatecorresponding parts in all the views, and in-which- Figure 1 is a sideelevation of my im proved shock absorber, applied to an ellipticalspring; Fig. 2 is a transverse vertical section; Fig. 3 is a perspectiveview of the lower clip plate for securing the helical spring; and Fig. 4is a perspective view, illustrating a modification.

In the illustrated example, the numeral 10 indicates a fragment of thevehicle frame or chassis; 11 and 12 upper and lower members of anelliptical spring; and 13 the vehicle axle, there being shown a knownform of seat 14, carried by the axle for receiving the lower member 12of the elliptical spring.

In connection with an elliptical or other like form of arched spring, Iemploy a helical spring'15, connected at one end to a stud 16 whichprojects outwardly from a clip plate 17 at the outer side of the latter,said stud receiving a nut 16. The lower end of the helical spring issecured to a similar stud 18, projecting laterally from the outer sideof a lower clip plate 19, the clip plates having curved surfaces to seatagainst the respective member of the elliptical spring. The Upper clipplate is clamped to the upper :ncinlwr 11 of the elliptical spring byclip bolts 20, which pass through openings 1'? in said clip plate. Thelower clip plate 19 is secured by clip bolts 21 and have transversegrooves 21 near the ends thereof, in which the U-bends of the clip boltsare received, the ends of said bolts passing through the seat 14. Theupper clip plate 17 may be secured to the chassis in any suitablemanner, being shown in Fig. 1 as continued downwardly as at 23, and inpractice may have the conventional formation of similarspring-supporting nzeans in automobile construction. As seen in Fig. 2,the upper clip plate 17 is of increased thickness atthe center as at 17to provide the necessary material and the strength in line with the stud16.

The spring 15 has its convolutions about the stud 16 as a center and theouter convolution is continued in the form of a curved arm 24 extendingdownwardly to the stud 18, the curvature of said arm 24 increasing indegree toward stud 18, the arrangement being such that a relativemovement of the upper and lower members 11 and 12 of the ellipticalspring will cause the arm 24 to lengthen or shorten to accord with themovements of the elliptical spring.

In the form shown in Fig. 4 the helical spring 15 is secured at, itsupper end, as in Fig. 1, the arm 24, however, being secured to stud 18,formed at one end of a lower clip plate 19 which may have a hole 25 forreceiving a bolt or set screw to be passed through the laminations ofthe lower member of the elliptical spring into the seat 14 or itsequivalent and said plate may also have a rib 19 at the end opposite thestud 18, to be engaged by a clip bolt such as is employed with the plate19.

It will be apparent that the attachment can bc'produced at low cost andmay be readily applied to known forms of springs andother conventionalappurtenances of an automobile or othcr vehicle.

Having thus described my invention I claim as new and desire to secureby Letters Patent:

1. A shock absorber adapted for attachment to arched vehicle springs,comprising a helical spring, upper and lower clip plates to secure theopposite ends of the helical spring, and means to secure said clipplates to relatively movable parts of the vehicle; each clip platehaving an outwardly projecting stud at. the outer side thereof to whichthe respective ends of the helical spring are secured, said helicalspring havin its convolutions about one of Said stu s at the center andhaving its outer convolution terminating in a curved arm connected withthe stud of the other clip plate.

2. A shock absorber adapted for attachment to arched springs ofvehicles, comprising a helical spring, upper and lower clip plates tosecure the opposite ends of the helical spring, clips to secure saidplates to relatively movable parts of the vehicle, each clip platehaving an outwardlyprojecting stud at its outer side, tohvhich therespective ends of the helical spring are secured, said helical springhaving its convolutions about the upper stud as a, center and havingits. outer convolution t'fininating in a curved arm, extending throughthe stud of the lower plate, the said lower late having transversegrooves near the en s to receive the clip bolts.

3. A shock absorber for attachment to elliptical vehicle-springs,comprising an upper clip plate, having a curved side to seat upon acurved surface of the upper member of an elliptical spring, a lower clipplate osaeae having a curved surface to seat on the lower member of theelliptical spring, each clip plate having a-stud at its outer sideprojecting outwardly therefrom at about the center, the upper clip platehaving holes and the lower clip plate having transverse grooves near theends, clip bolts adapted to pass through the holes-10f the upper clipplate, and clip bolts tobereceived'in the grooves of the lower clipplate,'and a hclical sprin secured at one end tot-he upper. stud andaving convolutions about the said stud, the oppositeend of thehelicalspring being in the form of a curved arm, the curve of which increasesin degree toward the lower end, the said lower end being secured to thelower stud.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JOHN HENRY NEDER.

Witnesses:

CHAS. H. McCoLLooH, I .C. C. MOCOLLOGH.

copies of this patent may be obtained for five cents each, by addressingthe Commissioner at Estate,

Washington, D. 0."

